Analysis
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max time kernel
150s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
10/04/2024, 23:48
Static task
static1
Behavioral task
behavioral1
Sample
4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe
Resource
win10v2004-20240226-en
General
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Target
4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe
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Size
4.2MB
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MD5
ac03967ca4f578b84f8a22f2cc467b4d
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SHA1
34332ef1c296db1c10504d4411c01c0deb16f76b
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SHA256
4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85
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SHA512
be335ed9e7cd9020384582d5377863dadeb7ec870a929231fd1c91da1cbe3338d1130c1a244ef29865c91cba1870d7f8454280086165314d4006a493c268f2ff
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SSDEEP
49152:LCOF1sMD8ixbcYiI1/5Xdq92KNQltOgz0z/JM8HRldRxlb63Pz55DJcsXyki2j4J:BcMAMDXENCwl9lG3t5tdik4CrnFE1
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4596-2-0x0000000003150000-0x0000000003A3B000-memory.dmp family_glupteba behavioral2/memory/4596-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4596-25-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4596-52-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4596-53-0x0000000003150000-0x0000000003A3B000-memory.dmp family_glupteba behavioral2/memory/3860-56-0x0000000002EB0000-0x000000000379B000-memory.dmp family_glupteba behavioral2/memory/3860-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3860-58-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3860-105-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3860-108-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3860-151-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3992-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3992-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3992-260-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3992-263-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3992-266-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3992-269-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3992-272-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4264 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3992 csrss.exe 2072 injector.exe 4520 windefender.exe 2944 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a7f9-253.dat upx behavioral2/memory/4520-258-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2944-261-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2944-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3084248216-1643706459-906455512-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\S-1-5-21-3084248216-1643706459-906455512-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe File created C:\Windows\rss\csrss.exe 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3716 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 416 schtasks.exe 2100 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1424 powershell.exe 1424 powershell.exe 4596 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 4596 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 784 powershell.exe 784 powershell.exe 3860 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 3860 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 3860 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 3860 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 3860 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 3860 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 3860 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 3860 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 3860 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 3860 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 2208 powershell.exe 2208 powershell.exe 3728 powershell.exe 3728 powershell.exe 1324 powershell.exe 1324 powershell.exe 3612 powershell.exe 3612 powershell.exe 1548 powershell.exe 1548 powershell.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 3992 csrss.exe 3992 csrss.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 3992 csrss.exe 3992 csrss.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 3992 csrss.exe 3992 csrss.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe 2072 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1424 powershell.exe Token: SeDebugPrivilege 4596 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Token: SeImpersonatePrivilege 4596 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe Token: SeDebugPrivilege 784 powershell.exe Token: SeDebugPrivilege 2208 powershell.exe Token: SeDebugPrivilege 3728 powershell.exe Token: SeDebugPrivilege 1324 powershell.exe Token: SeDebugPrivilege 3612 powershell.exe Token: SeDebugPrivilege 1548 powershell.exe Token: SeSystemEnvironmentPrivilege 3992 csrss.exe Token: SeSecurityPrivilege 3716 sc.exe Token: SeSecurityPrivilege 3716 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4596 wrote to memory of 1424 4596 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 82 PID 4596 wrote to memory of 1424 4596 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 82 PID 4596 wrote to memory of 1424 4596 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 82 PID 3860 wrote to memory of 784 3860 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 87 PID 3860 wrote to memory of 784 3860 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 87 PID 3860 wrote to memory of 784 3860 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 87 PID 3860 wrote to memory of 2752 3860 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 89 PID 3860 wrote to memory of 2752 3860 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 89 PID 2752 wrote to memory of 4264 2752 cmd.exe 91 PID 2752 wrote to memory of 4264 2752 cmd.exe 91 PID 3860 wrote to memory of 2208 3860 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 92 PID 3860 wrote to memory of 2208 3860 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 92 PID 3860 wrote to memory of 2208 3860 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 92 PID 3860 wrote to memory of 3728 3860 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 94 PID 3860 wrote to memory of 3728 3860 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 94 PID 3860 wrote to memory of 3728 3860 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 94 PID 3860 wrote to memory of 3992 3860 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 96 PID 3860 wrote to memory of 3992 3860 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 96 PID 3860 wrote to memory of 3992 3860 4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe 96 PID 3992 wrote to memory of 1324 3992 csrss.exe 97 PID 3992 wrote to memory of 1324 3992 csrss.exe 97 PID 3992 wrote to memory of 1324 3992 csrss.exe 97 PID 3992 wrote to memory of 3612 3992 csrss.exe 103 PID 3992 wrote to memory of 3612 3992 csrss.exe 103 PID 3992 wrote to memory of 3612 3992 csrss.exe 103 PID 3992 wrote to memory of 1548 3992 csrss.exe 105 PID 3992 wrote to memory of 1548 3992 csrss.exe 105 PID 3992 wrote to memory of 1548 3992 csrss.exe 105 PID 3992 wrote to memory of 2072 3992 csrss.exe 107 PID 3992 wrote to memory of 2072 3992 csrss.exe 107 PID 4520 wrote to memory of 3352 4520 windefender.exe 113 PID 4520 wrote to memory of 3352 4520 windefender.exe 113 PID 4520 wrote to memory of 3352 4520 windefender.exe 113 PID 3352 wrote to memory of 3716 3352 cmd.exe 114 PID 3352 wrote to memory of 3716 3352 cmd.exe 114 PID 3352 wrote to memory of 3716 3352 cmd.exe 114 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe"C:\Users\Admin\AppData\Local\Temp\4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4596 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1424
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C:\Users\Admin\AppData\Local\Temp\4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe"C:\Users\Admin\AppData\Local\Temp\4b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3860 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:784
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:2752 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:4264
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2208
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3728
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3992 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1324
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:416
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2020
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3612
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1548
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2072
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2100
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4520 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:3352 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:3716
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2944
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c1e42922e503b814344e109f735dfe4b
SHA16efe3e5ce8fd4fd865522c4fcfbcb91b92635760
SHA256ed8583ccec363e034bc01191630f7af09e4ac19eda2358e789f48f5c3bb6693d
SHA512fbe2404a48ff6e6f69811f4e621e033d091cc896dd35344d85b136d666d37655e0fcf7a18ef3ed55c4126d3c041a8cf65462ca6c4afbbac7dc2d5c813cf0c3df
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51ab60822eab9c193fd56f2f37a9569b1
SHA1e906312bcd388aca4c763ea51518cb3a5ea53c01
SHA256cba13c116f3a0eeafb788847026fee667b184c7afac919f4fe614e683b524947
SHA5128a8953282ec05d38b13f5c4482871ea47e0e304e2d6708e301951328b8dba2c8a9f4d8744f32e68a04bdc2b1ca8dffcc03d6a17ffb2e6828e4c355c082089dc9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD510085c06668af00608dd9e79e317b609
SHA1ea239b7a5795666a8ab599e5bb6a94e8674af130
SHA256aafd4a9a9afe444f1aabecd6327014da0328863136ec332a8d1a42729509546d
SHA512032c3890318e9e3af7522c54552584f9c4282de7ad480985a80b4668221ca820729dd7d69450517f7dae14ebd6c70896d111af2b36a4f4c8b8320651794215e2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b897e906f3871573a398feef16ee5108
SHA153ce33ea2ffac45da8cda9f60cbb1d421b656bb5
SHA2569356da3adeb17d99926facf873d3d1b75312bc5ad6dd1838e2d93187cd9161f9
SHA5122f3344c55691f0a9cf960cd396c2faebb77d30555b38461253de0f1458e2f10450b5587b2d89fe99e69ec2cb3086cd7d270bd47d5621efb9a96f8af923d24149
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5973be21ec42c9b2360752dd29ed13029
SHA1cd6b13534e7128885a52cd280c8d7eeb494547fb
SHA256b93b233f63df9d73bb1202e346bdf3d2df0860a5cbfd5e1638b5cb3cbe6dface
SHA512f6225b8d6bb4d687021d1bf9d4769d3377877a517370225745bd8af94fc61522ea4b577152d84f9b547eb4b267742596740dae6b4ea0394779a2049266059e27
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Filesize
4.2MB
MD5ac03967ca4f578b84f8a22f2cc467b4d
SHA134332ef1c296db1c10504d4411c01c0deb16f76b
SHA2564b683707e43d879285c44d37fa9a7f4a434c1175d8098f387166ef233cc02e85
SHA512be335ed9e7cd9020384582d5377863dadeb7ec870a929231fd1c91da1cbe3338d1130c1a244ef29865c91cba1870d7f8454280086165314d4006a493c268f2ff
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec